NASA Sun Science Forever Stamps

United States of America · 2021 · Forever (First-Class)

This sheet of ten stamps features various images of the Sun captured by NASA's Solar Dynamics Observatory (SDO), showcasing different solar phenomena like solar flares, coronal holes, and coronal loops in various wavelengths.

Issued in 2021, these stamps celebrate the ongoing scientific exploration of the Sun by NASA, highlighting the advanced imaging capabilities of the SDO mission which helps scientists understand solar activity.